| 1 | Required Data Element Missing |
| 2 | Conditional Required Data Element Missing |
| 3 | Too Many Data Elements |
| 4 | Data Element Too Short |
| 5 | Data Element Too Long |
| 6 | Invalid Character(s) in Data Element |
| 7 | Invalid Code Value |
| 8 | Invalid Date |
| 9 | Invalid Time |
| 10 | Exclusion Condition Violated |
| 12 | Too Many Repetitions |
| 13 | Too Many Components |
| 16 | Composite Data Structure Contains Excess Trailing Delimiters |
| I6 | Code Value Not Used in Implementation |
| I9 | Implementation Dependent Data Element Missing |
| I10 | Implementation "Not Used" Data Element Present |
| I11 | Implementation Too Few Repetitions |
| I12 | Implementation Pattern Match Failure |
| I13 | Implementation Dependent "Not Used" Data Element Present |